APA (7th ed.) Citation

Hiemstra, J. F. (2001). "Dirt pictures" reveal the past extent of the grounded Antarctic ice sheet.

Chicago Style (17th ed.) Citation

Hiemstra, Johannes Fokko. "Dirt Pictures" Reveal the Past Extent of the Grounded Antarctic Ice Sheet. 2001.

MLA (9th ed.) Citation

Hiemstra, Johannes Fokko. "Dirt Pictures" Reveal the Past Extent of the Grounded Antarctic Ice Sheet. 2001.

Warning: These citations may not always be 100% accurate.